On May 17 2007, Madonna’s Official Fan Club (Icon) announced the release of Hey You:
Hello ICON-ers,
We have the special track that M recorded especially for LIVE EARTH. The track is called Hey You and you can stream this new track in its entirety through ICON radio.
The charity single was made available for download on iTunes on May 24, 2007.
Today In Madonna History 
While the sentiment of Hey You is admirable, the acoustic arrangement just doesn’t grab me!
the song she will be remembered for!